The terms interactive and dynamic would never have been associated with psychological and psychoeducational assessment a generation ago. They have currency now because of widespread dissatisfaction with the normative, standardized testing model, criticism of theoretical concepts of intelligence, recognition of abuses of standardized intelligence testing, and frustration with prediction and classification as primary goals of assessment. It is almost certainly true that public policy concerns propel scientific activity far more often than science propels public policy In the case of...